package com.ynny.librarysystemmanager.entity;

public class BookErrorReturnCode {
    public static final Integer BOOK_NOT_FOUND = 451;
    public static final Integer BOOK_IS_DELETE = 452;
    public static final Integer BOOK_IS_NOT_ALLOW = 453;
    public static final Integer BOOK_IS_NOT_STORAGE = 454;


    
}
